. >>> michelle obama knows how to move. check this. ♪ they did he "raise the roof," sprinkler, dougie, first lady got down with jimmy fallon, showing the evolution of dance with moms. whole new hour of "cnn saturday morning" begins right now. >>> good morning, everyone. i'm victor blackwell. randi kaye is off this morning. 9:00 in the east, 6:00 out west. good of you to start your day with us. another good weekend for people in new england to stock up on hot chocolate and stay inside, because a winter storm is bringing a third straight weekend of snow, as much as a foot in some places, maybe more. the midwest is already seeing the worst of it, like in gladstone, missouri. look at this. heavy snow collapsed the dance studio school roof here. fortunately, no one was injured. chicago now, where fewer than three inches was enough to tie up traffic. right car on the left side of the screen slide out. it happened yesterday. to iowa, slick roads led to a multi-vehicle crash on interstate 80. fortunately, no one was hurt here. >>